Company Information
E-mail		[email protected]
Mobile		+8615980777398
Whatsapp		+8615980777398
WeChat		15980777398

Allen-Bradley 20G1ABF265AN0NNNNN PowerFlex 755 AC Drive

1. Product Introduction

The Allen-Bradley 20G1ABF265AN0NNNNN is a high-power air-cooled AC variable frequency drive belonging to the PowerFlex 755 series within the PowerFlex 750-Series family.

This particular configuration is designed for large three-phase industrial motor applications operating on a 690 VAC-class power system. It has a rated output current of 265 A and provides approximately 315 kW Low Duty, 250 kW Normal Duty, and 200 kW Heavy Duty capacity. The catalog configuration uses a Frame 8 mechanical platform and a 600 mm deep MCC-style construction.

The drive is an air-cooled configuration with AC input and precharge, no DC terminals, integrated filtering, CM jumper removed, no dynamic braking, and a Blank / No HIM configuration.

The drive also provides embedded EtherNet/IP, making it suitable for integration into centralized industrial automation systems where the drive can be commanded, monitored, diagnosed, and coordinated through a plant control network.

The model is especially relevant to large industrial machinery, process equipment, material handling, mining equipment, pumps, fans, blowers, conveyors, crushers, and other applications where a high-power motor requires variable-speed control.

The 20G1ABF265AN0NNNNN is not a compact machine-mounted VFD. It is a large industrial drive intended for substantial motor loads and normally installed in an appropriately designed electrical room, MCC lineup, or industrial control enclosure.

---

2. Brand and Product Series

Item	Specification
Brand	Allen-Bradley
Product Family	PowerFlex 750-Series
Product Series	PowerFlex 755
Product Type	Air-Cooled AC Variable Frequency Drive
Catalog Number	20G1ABF265AN0NNNNN
Voltage Class	690 VAC
Phase	3 Phase
Output Current	265 A
Frame	Frame 8
Cooling	Air Cooled / Forced Air
Enclosure Style	Type 1 / IP20
Cabinet Style	600 mm Deep MCC Style
Communication	Embedded EtherNet/IP
Input Configuration	AC Input with Precharge
DC Terminals	None
Filtering	Filtered
CM Jumper	Removed
Dynamic Braking	None
HIM	Blank / No HIM

The PowerFlex 755 series is intended for demanding industrial applications requiring considerably more functionality and power capability than small general-purpose drives.

The series supports a broad range of motor-control requirements, including variable-frequency operation, vector-based control, networked control, feedback options, I/O expansion, and other application-specific functions depending on the selected configuration.

---

3. Main Technical Specifications

Parameter	Specification
Model / Catalog Number	20G1ABF265AN0NNNNN
Brand	Allen-Bradley
Product Family	PowerFlex 750-Series
Series	PowerFlex 755
Drive Type	Air-Cooled AC Drive
Input Voltage Class	690 VAC
Input Phase	3 Phase
Output Current	265 A
Low Duty Rating	315 kW
Normal Duty Rating	250 kW
Heavy Duty Rating	200 kW
Approx. Low Duty HP Equivalent	~422 HP
Approx. Normal Duty HP Equivalent	~335 HP
Approx. Heavy Duty HP Equivalent	~268 HP
Frame	Frame 8
Cooling	Forced Air
Input Type	AC Input with Precharge
DC Terminals	None
Filtering	Filtered
CM Jumper	Removed
Dynamic Braking	None
Communication	Embedded EtherNet/IP
HIM	Blank / No HIM
Enclosure	Type 1
Protection	IP20
Mechanical Style	600 mm Deep MCC Style
Approx. Height	~2100 mm
Approx. Width	~610 mm
Approx. Depth	~600 mm
Approx. Dimensions	~2100 × 610 × 600 mm
Approx. Weight	~634 kg
Motor Application Class	Large Industrial Motor
Main Control Function	Variable-Speed AC Motor Control

The published catalog description identifies the model as a 265 A, 690 VAC, three-phase, Frame 8 PowerFlex 755 with 315 kW Low Duty, 250 kW Normal Duty, and 200 kW Heavy Duty ratings.

The dimensions and weight above should be treated as practical preliminary engineering values rather than fabrication dimensions. The exact shipping configuration, accessories, mounting arrangement, and associated equipment can affect the final installed envelope and total weight.

---

4. Electrical Rating

The most important electrical characteristic of the 20G1ABF265AN0NNNNN is its combination of 690 VAC operation and 265 A output current.

This voltage class is particularly relevant to large industrial motor systems.

The principal duty ratings are:

Duty Classification	Power Rating
Low Duty	315 kW
Normal Duty	250 kW
Heavy Duty	200 kW

The distinction between these three ratings is important.

A drive should not be selected solely according to the nominal motor horsepower.

The actual motor full-load current, load characteristics, overload requirement, acceleration requirements, operating cycle, and environmental conditions should all be considered.

For example, a 250 kW motor with a demanding heavy-duty operating profile may require a different drive selection than a less demanding 250 kW motor application.

---

5. 690 VAC-Class Design

The 690 VAC rating is one of the defining characteristics of this model.

Large industrial motors are frequently operated at higher voltage levels because higher voltage can reduce current for a given power level.

For a large motor installation, this can influence:

• Cable sizing.
• Switchgear selection.
• Motor feeder design.
• Transformer arrangement.
• MCC configuration.
• Voltage drop.
• Power-distribution architecture.

The 20G1ABF265AN0NNNNN is therefore better suited to large industrial electrical systems than to ordinary small-machine applications.

---

6. 265 A Output Capability

The 265 A current rating provides substantial motor-driving capacity.

At this current level, the drive is intended for motors significantly larger than those normally served by compact general-purpose VFDs.

Typical application areas include:

• Large pumps.
• Large fans.
• Heavy conveyors.
• Crushers.
• Process machinery.
• Mining equipment.
• Large blowers.
• Material-handling machinery.
• Industrial production equipment.

The current rating should always be compared against the actual motor nameplate current.

A motor’s horsepower rating alone is not sufficient for final drive sizing.

---

7. Frame 8 Construction

The drive uses a Frame 8 mechanical architecture.

Frame 8 is designed for high-power applications and therefore has a substantially larger physical footprint than smaller PowerFlex configurations.

For preliminary layout planning, the overall drive envelope can be considered approximately:

Height: 2100 mm

Width: 610 mm

Depth: 600 mm

Approximate weight:

634 kg

This is a major industrial electrical assembly.

The installation therefore needs to account for:

• Floor loading.
• Transportation.
• Lifting.
• Cabinet access.
• Maintenance clearance.
• Ventilation.
• Power-cable routing.
• Motor-cable routing.
• Grounding.
• Communication cabling.
• Service access.

The drive should be treated as part of the plant’s main electrical infrastructure rather than as a small standalone control component.

---

8. 600 mm Deep MCC-Style Construction

The 600 mm deep MCC-style configuration is useful for large industrial electrical installations.

It provides a mechanical format compatible with larger electrical lineups and industrial motor-control arrangements.

This type of construction can be particularly useful in:

• Manufacturing plants.
• Mining facilities.
• Water-treatment plants.
• Cement plants.
• Process industries.
• Utility installations.
• Large material-handling facilities.

The relatively standardized large-frame construction can simplify the mechanical organization of multiple high-power drives within a dedicated electrical room.

---

9. Air-Cooled Architecture

The 20G1ABF265AN0NNNNN uses forced-air cooling.

At 265 A and 690 VAC, the power section generates substantial heat.

Forced-air cooling transfers heat away from the internal power electronics and allows the drive to operate within its specified thermal range when the installation provides suitable ventilation.

The advantages of air cooling include:

• No external liquid-cooling circuit.
• No coolant pump.
• No heat-exchanger loop.
• Straightforward maintenance concept.
• Familiar industrial cooling architecture.

The surrounding electrical room or enclosure must nevertheless provide adequate ventilation.

A high-power air-cooled drive should not be installed in a poorly ventilated space.

---

10. AC Input With Precharge

The drive uses AC input with precharge.

The drive does not provide DC input terminals in this configuration.

The DC bus contains energy-storage capacitors.

When the drive is initially energized, these capacitors must be charged in a controlled manner.

The precharge system helps limit the initial charging current and establishes the DC bus in a controlled sequence.

This is particularly important for a high-power drive because the energy involved is much greater than in a small fractional-horsepower VFD.

---

11. No DC Terminals

The catalog configuration specifies no DC terminals.

This is relevant when evaluating the drive for applications involving:

• Common DC buses.
• Regenerative systems.
• Shared DC architectures.
• External braking arrangements.
• Energy-storage systems.

The absence of DC terminals means the drive should not automatically be assumed to support a particular common-DC architecture.

Where a DC-bus-based system is required, the complete drive configuration should be evaluated rather than relying solely on the standard catalog configuration.

---

12. Filtered Configuration

The model is specified as Filtered.

A variable frequency drive uses high-speed semiconductor switching.

This switching creates high-frequency electrical components that can propagate through power and motor circuits.

The filtered configuration supports electromagnetic compatibility.

Proper EMC performance still depends heavily on the complete installation.

Important factors include:

• Motor cable construction.
• Cable shielding.
• Grounding.
• Cabinet bonding.
• Cable separation.
• Motor-frame grounding.
• Control-cable routing.
• Network-cable routing.
• Installation practices.

The drive’s filtering should therefore be regarded as one part of a complete EMC design.

---

13. CM Jumper Removed

The 20G1ABF265AN0NNNNN uses the older AN0 configuration, which is specified with the CM jumper removed.

This is an important configuration detail.

The CM jumper arrangement can influence common-mode behavior and grounding characteristics.

When replacing an older drive or changing to a J-series equivalent, the grounding and EMC characteristics of the installation should be reviewed.

The replacement drive should be evaluated according to the actual motor system, grounding system, cable arrangement, and applicable installation requirements.

---

14. No Dynamic Braking

The standard catalog configuration specifies:

Dynamic Braking: None

This means the drive does not include a dynamic braking configuration as part of the standard model.

This is acceptable for many applications where the motor does not need rapid deceleration or where the mechanical process naturally permits a gradual reduction in speed.

Applications requiring aggressive deceleration should receive additional engineering attention.

Examples include:

• High-inertia conveyors.
• Crushers.
• Centrifuges.
• Certain mixers.
• Hoists.
• Rapid-cycle machines.
• High-inertia fans.

Where substantial regenerative energy is generated during deceleration, the complete braking solution should be evaluated.

---

15. Blank / No HIM Configuration

The model is supplied as Blank / No HIM.

HIM means Human Interface Module.

The absence of a HIM is often advantageous in a centralized automation system.

A plant can instead use:

• PLC control.
• HMI control.
• SCADA monitoring.
• EtherNet/IP communications.
• Centralized maintenance software.

This allows the drive to remain in the electrical room while operators work from a central control station.

For large process plants containing many drives, this can provide a cleaner and more consistent control architecture.

---

16. Embedded EtherNet/IP

Embedded EtherNet/IP is an important feature of the PowerFlex 755 platform.

It allows the drive to communicate with a plant automation system.

Typical information that can be exchanged includes:

Data	Typical Purpose
Start Command	Starts the motor
Stop Command	Stops the motor
Speed Reference	Sets motor speed
Actual Speed	Monitors operating speed
Output Frequency	Monitors drive frequency
Output Current	Monitors motor loading
Drive Status	Determines operating state
Fault Information	Identifies drive faults
Warning Information	Indicates abnormal conditions
Diagnostic Data	Supports maintenance
Command Status	Confirms command execution

This makes the drive particularly suitable for large automated facilities.

---

17. Control Architecture

A typical installation can be organized as:

PLC

↓

EtherNet/IP

↓

PowerFlex 755

↓

690 VAC-Class Motor

↓

Industrial Machine

This type of architecture allows the drive to be treated as an intelligent node within the plant automation system.

The PLC can issue commands and speed references while the drive returns status, actual operating values, warnings, faults, and other diagnostic information.

For a large plant, this can significantly simplify the overall control architecture.

---

18. Product Applications

18.1 Large Pumps

Large pumps are one of the strongest application areas for this type of drive.

A variable-speed drive allows the motor speed to be adjusted according to actual process requirements.

Possible applications include:

• Water supply.
• Wastewater treatment.
• Industrial process pumping.
• Cooling-water systems.
• Mining dewatering.
• Chemical process pumping.
• Utility pumping.
• Large circulation systems.

Variable-speed operation can improve flow and pressure regulation and can reduce the need for mechanical throttling in appropriate systems.

---

19. Large Fans

Large industrial fans can require hundreds of kilowatts.

Typical applications include:

• Industrial ventilation.
• Furnace air systems.
• Combustion air.
• Dust collection.
• Process exhaust.
• Cooling systems.
• Cement plants.
• Metals processing.

The drive allows the fan to operate at a controlled speed rather than simply running continuously at full speed.

This can improve process control and may reduce energy consumption when the process does not require maximum airflow.

---

20. Large Blowers

Large blowers are another suitable application.

Examples include:

• Industrial air systems.
• Wastewater aeration.
• Combustion systems.
• Process gas movement.
• Pneumatic material systems.
• Industrial ventilation.

The variable-speed capability allows blower output to follow process requirements.

This can also reduce mechanical stress during startup.

---

21. Conveyor Systems

Large conveyors can place significant demands on their motors.

The drive can provide controlled acceleration and speed regulation.

Potential benefits include:

• Reduced mechanical shock.
• Controlled startup.
• Adjustable conveyor speed.
• Better coordination between conveyor sections.
• Centralized monitoring.
• Fault detection.

For long conveyors, proper coordination between multiple drives may be important.

---

22. Mining Applications

Mining operations frequently require large motors.

Potential applications include:

• Ore conveyors.
• Crushers.
• Dewatering pumps.
• Ventilation fans.
• Material-handling equipment.
• Processing equipment.

The 690 VAC architecture is particularly relevant to large mining electrical systems.

The embedded network capability also allows the drive to participate in a larger mining automation system.

---

23. Cement and Aggregate Applications

Cement and aggregate plants contain many high-power motors.

Typical equipment includes:

• Crushers.
• Conveyors.
• Fans.
• Blowers.
• Pumps.
• Feeders.
• Material-handling machinery.

The PowerFlex 755 architecture can provide the required combination of high motor power, speed control, and centralized automation.

---

24. Crusher Applications

Crushers can impose significant starting and mechanical demands on motors.

A variable frequency drive can provide a controlled acceleration profile.

This can help reduce mechanical shock on:

• Shafts.
• Couplings.
• Gearboxes.
• Bearings.
• Drive assemblies.

The drive can also be integrated with upstream and downstream process equipment through the automation network.

For applications involving frequent rapid stopping, however, the braking requirement must be evaluated separately because the subject model has no standard dynamic braking configuration.

---

25. Material-Handling Equipment

Large material-handling machinery can benefit from variable-speed control.

Potential applications include:

• Belt conveyors.
• Bucket elevators.
• Feeders.
• Transfer systems.
• Bulk-material systems.
• Processing conveyors.

Controlled acceleration can be particularly valuable for equipment with long mechanical transmissions and high inertia.

---

26. Process Machinery

The drive can also be used for large process machinery.

Examples include:

• Large mixers.
• Large agitators.
• Processing lines.
• Industrial compressors where appropriate.
• Extrusion-related equipment.
• Large rotating machines.
• Production machinery.

The exact suitability depends on motor characteristics, load torque, acceleration requirements, speed range, and process requirements.

---

27. Product Advantages

27.1 High 265 A Output Rating

The 265 A output rating allows the drive to control large industrial motors.

This places the model significantly above compact machine-level VFDs.

---

27.2 690 VAC-Class Operation

The 690 VAC class is well suited to large industrial motor systems.

Higher voltage systems can help reduce current for a given power level, which can influence cable and distribution-system design.

---

27.3 315 kW Low Duty Capacity

The 315 kW Low Duty rating provides substantial capacity for less demanding load profiles.

This makes the model useful for large variable-speed machinery.

---

27.4 250 kW Normal Duty Capacity

The 250 kW Normal Duty rating makes the drive suitable for many large industrial motors.

---

27.5 200 kW Heavy Duty Capacity

The 200 kW Heavy Duty rating provides a useful margin for more demanding applications.

The Heavy Duty rating should be considered whenever the machine has higher starting torque, frequent acceleration, or significant overload requirements.

---

27.6 Frame 8 High-Power Architecture

Frame 8 provides the physical and thermal structure required for a large industrial drive.

---

27.7 Embedded EtherNet/IP

The integrated communication capability makes the drive well suited to modern centralized control architectures.

---

27.8 No-HIM Configuration

The no-HIM arrangement is useful for centralized control systems where operators work from a separate HMI or SCADA station.

---

27.9 Air-Cooled Construction

Air cooling avoids the additional complexity associated with a dedicated liquid-cooling system.

---

27.10 Filtered Configuration

The integrated filtering supports EMC-conscious industrial installations.

---

28. Mechanical Specifications

Mechanical Parameter	Approximate Specification
Model	20G1ABF265AN0NNNNN
Frame	Frame 8
Cabinet Style	600 mm Deep MCC Style
Enclosure	Type 1
Protection	IP20
Cooling	Forced Air
Approx. Height	2100 mm
Approx. Width	610 mm
Approx. Depth	600 mm
Approx. Dimensions	2100 × 610 × 600 mm
Approx. Weight	634 kg

Because this is a large Frame 8 assembly, mechanical installation should be planned carefully.

The approximately 634 kg weight is particularly important for:

• Floor loading.
• Transportation.
• Lifting.
• Installation.
• Maintenance access.
• Equipment-room planning.

The actual project installation should always be checked against the final mechanical documentation for the specific configuration.

---

29. Electrical Specifications

Electrical Parameter	Specification
Model	20G1ABF265AN0NNNNN
Voltage	690 VAC
Phase	3 Phase
Current	265 A
Low Duty	315 kW
Normal Duty	250 kW
Heavy Duty	200 kW
Input	AC Input with Precharge
DC Terminals	None
Filtering	Filtered
CM Jumper	Removed
Dynamic Braking	None
Communication	Embedded EtherNet/IP
HIM	Blank / No HIM
Cooling	Air Cooled
Frame	Frame 8
Enclosure	Type 1 / IP20

The principal catalog configuration is consistent across the technical descriptions: 265 A, 690 VAC, three-phase, Frame 8, filtered, CM jumper removed, no dynamic braking, and no HIM.

---

30. Duty Rating Comparison

Duty	Power	Typical Load Characteristic
Low Duty	315 kW	Less demanding overload profile
Normal Duty	250 kW	Standard industrial operation
Heavy Duty	200 kW	Higher overload / demanding duty

The three ratings allow the same drive platform to be applied to different types of industrial loads.

This is especially useful because two motors with similar nominal horsepower can have very different operating requirements.

---

31. Typical Motor Applications

Motor Application	Suitability
Large centrifugal pump	Excellent
Large process pump	Excellent
Large fan	Excellent
Large blower	Excellent
Conveyor	Excellent
Mining conveyor	Excellent
Crusher	Suitable with braking/load evaluation
Cement equipment	Excellent
Aggregate equipment	Excellent
Material handling	Excellent
Large mixer	Suitable
Process machinery	Suitable
High-inertia machine	Requires braking evaluation
Rapid stopping machine	Requires braking evaluation

---

32. Five Recommended Same-Series or Related Models

The following five models are closely related to the subject model and are useful when selecting a similar PowerFlex 755 configuration.

Model	Voltage	Current	LD Rating	ND Rating	HD Rating	HIM	CM Jumper	Approx. Dimensions	Approx. Weight
20G1ABF265JN0NNNNN	690 VAC	265 A	315 kW	250 kW	200 kW	No HIM	Installed	~2100 × 610 × 600 mm	~634 kg
20G1ABF265JN2NNNNN	690 VAC	265 A	315 kW	250 kW	200 kW	Local LCD HIM	Installed	~2100 × 610 × 600 mm	~634 kg
20G1ABF265JN4NNNNN	690 VAC	265 A	315 kW	250 kW	200 kW	Door-Mounted LCD HIM	Installed	~2100 × 610 × 600 mm	~634 kg
20G1ABF330JN0NNNNN	690 VAC	330 A	355 kW	315 kW	250 kW	No HIM	Installed	~2100 × 610 × 600 mm	~634 kg
20G1ABF370JN0NNNNN	690 VAC	370 A	400 kW	355 kW	300 kW	No HIM	Installed	~2100 × 610 × 600 mm	~634 kg

These models remain within the same 690 VAC PowerFlex 755 high-power group.

The 20G1ABF265JN0NNNNN is the closest current-style configuration to the subject model.

The 20G1ABF265JN2NNNNN is preferable when a local handheld/local LCD interface is required.

The 20G1ABF265JN4NNNNN is useful where a door-mounted operator interface is preferred.

The 20G1ABF330JN0NNNNN and 20G1ABF370JN0NNNNN provide greater current and power capacity when the motor is larger.

The existence of the corresponding 265 A JN0/JN2/JN4 configurations and the 330 A and 370 A variants is reflected in the PowerFlex 755 model listings.

---

33. Closest Replacement-Type Configuration

Feature	20G1ABF265AN0NNNNN	20G1ABF265JN0NNNNN
Series	PowerFlex 755	PowerFlex 755
Voltage	690 VAC	690 VAC
Current	265 A	265 A
LD	315 kW	315 kW
ND	250 kW	250 kW
HD	200 kW	200 kW
Frame	Frame 8	Frame 8
Cooling	Air Cooled	Air Cooled
HIM	No HIM	No HIM
Dynamic Braking	None	None
Filtering	Filtered	Filtered
CM Jumper	Removed	Installed
Input	AC with Precharge	AC with Precharge
DC Terminals	None	None
EtherNet/IP	Embedded	Embedded
Approx. Dimensions	~2100 × 610 × 600 mm	~2100 × 610 × 600 mm
Approx. Weight	~634 kg	~634 kg

The 20G1ABF265JN0NNNNN is the closely related J-series configuration.

The key configuration difference to pay attention to is the CM jumper status.

For an actual replacement project, grounding and EMC requirements should be reviewed rather than treating the two catalog numbers as mechanically and electrically identical in every installation condition.

---

34. Comparison of the Three 265 A Configurations

Model	HIM Configuration	CM Jumper	Recommended Application
20G1ABF265AN0NNNNN	No HIM	Removed	Existing AN-series installation
20G1ABF265JN0NNNNN	No HIM	Installed	Centralized current-generation control
20G1ABF265JN2NNNNN	Handheld / Local LCD	Installed	Local commissioning and maintenance
20G1ABF265JN4NNNNN	Door-Mounted LCD	Installed	Local operator access

This is one of the easiest ways to distinguish the closely related catalog configurations.

The electrical power rating remains the same, while the user-interface and common-mode configuration change.

---

35. Five Popular Models Under the Same Brand

The following five models provide a useful selection of smaller and larger drives under the same brand.

Model	Series	Voltage Class	Current Class	Typical Use	Approx. Dimensions	Approx. Weight
25B-D030N114	PowerFlex 525	480 VAC class	~30 A class	General-purpose machines	Compact	Several kg
25C-D030N114	PowerFlex 523	480 VAC class	~30 A class	Compact machinery	Compact	Several kg
20G1ABC302JN4NNNNN	PowerFlex 755	480 VAC class	~302 A	Large industrial equipment	~2100 × 610 × 600 mm	~600+ kg
20G1ABC460JN4NNNNN	PowerFlex 755	480 VAC class	~460 A	Large process machinery	~2100 × 610 × 600 mm	~600+ kg
20G1ABC650JN4NNNNN	PowerFlex 755	480 VAC class	~650 A	Very large industrial motors	~2100 × 610 × 600 mm	~600+ kg

These five provide a practical comparison across different power levels.

The PowerFlex 523 and PowerFlex 525 are compact-drive solutions.

The PowerFlex 755 models are intended for significantly larger industrial motors.

---

36. Recommended Model Selection by Application

Application	Recommended Model
690 VAC, 200 kW Heavy Duty motor	20G1ABF265AN0NNNNN
690 VAC, 250 kW Normal Duty motor	20G1ABF265JN0NNNNN
690 VAC, 315 kW Low Duty motor	20G1ABF265JN2NNNNN
Larger 690 VAC motor	20G1ABF330JN0NNNNN
Higher-power 690 VAC system	20G1ABF370JN0NNNNN
Compact 480 VAC machinery	25B-D030N114
Compact general-purpose drive	25C-D030N114
Large 480 VAC industrial machine	20G1ABC302JN4NNNNN
Large 480 VAC process application	20G1ABC460JN4NNNNN
Very large 480 VAC application	20G1ABC650JN4NNNNN

---

37. Application Advantages in Large Pump Systems

For large pumps, the drive’s primary value is the ability to regulate motor speed.

A pump system does not necessarily need to operate at full speed all the time.

The drive can adjust speed according to the process demand.

This can provide:

• Better flow regulation.
• Better pressure control.
• Controlled startup.
• Reduced mechanical shock.
• Potential energy savings.
• Easier process automation.

When integrated with EtherNet/IP, the pump drive can become part of a larger automatic process-control system.

---

38. Application Advantages in Fan Systems

Large fans can consume significant amounts of electrical power.

A variable frequency drive allows airflow to be adjusted by changing motor speed.

Typical benefits include:

• Adjustable airflow.
• Improved process control.
• Controlled startup.
• Reduced mechanical stress.
• Centralized monitoring.
• Potential reduction in unnecessary full-speed operation.

This makes the PowerFlex 755 particularly useful for large industrial ventilation and process-air applications.

---

39. Application Advantages in Conveyor Systems

A conveyor system often has high inertia.

Starting the motor directly can create mechanical shock.

Variable-speed acceleration allows the drive to gradually bring the conveyor to operating speed.

This can reduce stress on:

• Belts.
• Gearboxes.
• Couplings.
• Shafts.
• Bearings.
• Pulleys.

For long conveyor systems, the network interface can also help coordinate several drive sections.

---

40. Application Advantages in Mining

Mining applications often require large motors operating under demanding conditions.

The drive can be applied to:

• Ore conveyors.
• Crusher systems.
• Ventilation.
• Dewatering.
• Material handling.
• Processing machinery.

The 690 VAC class is especially useful in large electrical systems where motors are rated for high-voltage industrial distribution.

---

41. Application Advantages in Cement Plants

Cement production includes many high-power rotating machines.

The drive can be considered for:

• Large fans.
• Crushers.
• Conveyors.
• Material feeders.
• Blowers.
• Pumps.
• Bulk-material systems.

A centralized network architecture can simplify monitoring of numerous drives across the facility.

---

42. Maintenance Considerations

Large air-cooled drives require appropriate maintenance.

Regular inspection should include:

• Cooling fans.
• Air passages.
• Cabinet ventilation.
• Dust accumulation.
• Electrical connections.
• Grounding connections.
• Control wiring.
• Network wiring.
• Signs of overheating.
• Abnormal vibration.
• Abnormal fan noise.

The cooling system is particularly important.

Restricted airflow can cause internal temperatures to rise.

In dusty industrial environments, contamination control becomes an important part of the maintenance program.

---

43. Mechanical Installation Considerations

The approximately 2100 × 610 × 600 mm physical envelope should be incorporated into the plant layout.

The approximately 634 kg mass also needs to be considered before installation.

Important considerations include:

• Floor strength.
• Lifting capacity.
• Forklift access.
• Crane access where applicable.
• Doorway dimensions.
• Equipment-room access.
• Service clearance.
• Cable-bending space.
• Ventilation.
• Maintenance access.

A large Frame 8 drive should be installed with enough surrounding space to allow technicians to inspect and service the equipment safely.

---

44. Environmental Considerations

The Type 1 / IP20 configuration is intended for installation in an appropriately protected environment.

It should not be treated as a weatherproof or washdown enclosure.

The surrounding installation should protect the drive from:

• Direct water.
• Condensation.
• Excessive humidity.
• Conductive dust.
• Corrosive contaminants.
• Heavy airborne contamination.
• Excessive ambient temperatures.

Where the installation environment is severe, additional enclosure and environmental-control measures may be required.

---

45. Motor Selection Considerations

When selecting a motor for this drive, the following parameters should be reviewed:

Motor Selection Item	Importance
Motor Voltage	Critical
Motor Full-Load Current	Critical
Motor Power	Critical
Motor Frequency	Critical
Duty Cycle	Critical
Overload Requirement	Critical
Acceleration Time	High
Deceleration Time	High
Load Inertia	High
Braking Requirement	High
Motor Cable Length	High
Ambient Temperature	High
Installation Altitude	Medium to High
EMC Requirements	High
Network Architecture	High

The actual motor nameplate current should always be compared with the drive current rating.

A motor with a nominal 250 kW rating does not automatically guarantee compatibility merely because the drive has a 250 kW Normal Duty rating.

The complete operating conditions must be considered.

---

46. Why the 690 VAC Version Is Important

The 690 VAC configuration is particularly relevant to large industrial systems.

Compared with lower-voltage systems, a higher operating voltage can reduce current for the same motor power.

This can influence the design of:

• Motor feeders.
• Cable systems.
• Switchgear.
• Transformers.
• MCC sections.
• Protection equipment.
• Electrical distribution.

For large plants, these differences can have a meaningful effect on the overall electrical design.

---

47. Control and Automation Advantages

The PowerFlex 755 platform provides a strong foundation for centralized automation.

The 20G1ABF265AN0NNNNN can be integrated into a system where the PLC controls:

• Run/stop commands.
• Speed references.
• Direction commands.
• Process interlocks.
• Drive enable functions.

The drive can return:

• Actual speed.
• Current.
• Frequency.
• Status.
• Faults.
• Warnings.
• Diagnostic information.

This can reduce the number of conventional hardwired control signals required in a large installation.

---

48. No-HIM Architecture for Centralized Plants

The No-HIM configuration is particularly practical when a plant already has a centralized operator system.

For example:

Operator HMI

↓

PLC

↓

EtherNet/IP

↓

PowerFlex 755

↓

Motor

This arrangement allows the drive to be located inside an electrical room while the operator controls the process from a control room.

This is common in large process facilities where local operator access at every individual drive is unnecessary.

---

49. Advantages Compared With Smaller Drives

The 20G1ABF265AN0NNNNN offers several advantages when compared with compact VFDs.

Characteristic	20G1ABF265AN0NNNNN
Motor Power	Very High
Current Capacity	265 A
Voltage Class	690 VAC
Mechanical Platform	Frame 8
Network Integration	Embedded EtherNet/IP
Industrial Applications	Extensive
Large-Motor Support	Excellent
Centralized Control	Excellent
Compact Machine Use	Generally excessive
Large Process Equipment	Excellent

The drive is therefore best understood as a large industrial process drive rather than a general-purpose compact machine inverter.

---

50. Main Product Advantages Summary

Advantage	Practical Benefit
265 A Output	Controls large industrial motors
315 kW LD	High low-duty capacity
250 kW ND	Strong normal-duty capability
200 kW HD	Useful heavy-duty capacity
690 VAC	Suitable for high-voltage motor systems
Frame 8	Large industrial power architecture
Air Cooling	Practical high-power thermal management
EtherNet/IP	Centralized automation
No HIM	Ideal for remote/centralized operation
AC Precharge	Controlled DC-bus energization
Filtered	Supports EMC design
CM Jumper Removed	Specific AN-series configuration
600 mm MCC Style	Suitable for large electrical lineups
Type 1 / IP20	Appropriate for protected electrical environments

---

51. Five Closely Related 690 VAC Models

Model	Voltage	Current	LD	ND	HD	HIM	Approx. Dimensions	Approx. Weight
20G1ABF265AN0NNNNN	690 VAC	265 A	315 kW	250 kW	200 kW	No HIM	~2100 × 610 × 600 mm	~634 kg
20G1ABF265JN0NNNNN	690 VAC	265 A	315 kW	250 kW	200 kW	No HIM	~2100 × 610 × 600 mm	~634 kg
20G1ABF265JN2NNNNN	690 VAC	265 A	315 kW	250 kW	200 kW	Local LCD	~2100 × 610 × 600 mm	~634 kg
20G1ABF330JN0NNNNN	690 VAC	330 A	355 kW	315 kW	250 kW	No HIM	~2100 × 610 × 600 mm	~634 kg
20G1ABF370JN0NNNNN	690 VAC	370 A	400 kW	355 kW	300 kW	No HIM	~2100 × 610 × 600 mm	~634 kg

The 265 A, 330 A, and 370 A configurations are part of the same 690 VAC high-power PowerFlex 755 group.

---

52. Five Broader Same-Brand Model Recommendations

Model	Product Series	Voltage Class	Approx. Current Class	Application Level	Approx. Dimensions	Approx. Weight
25B-D030N114	PowerFlex 525	480 VAC class	~30 A	Compact / general-purpose	Compact	Several kg
25C-D030N114	PowerFlex 523	480 VAC class	~30 A	Compact machinery	Compact	Several kg
20G1ABC302JN4NNNNN	PowerFlex 755	480 VAC class	~302 A	Large industrial equipment	~2100 × 610 × 600 mm	~600+ kg
20G1ABC460JN4NNNNN	PowerFlex 755	480 VAC class	~460 A	Large process equipment	~2100 × 610 × 600 mm	~600+ kg
20G1ABC650JN4NNNNN	PowerFlex 755	480 VAC class	~650 A	Very large industrial equipment	~2100 × 610 × 600 mm	~600+ kg

These models are useful when the project requires a different voltage class, motor size, or physical scale.

The smaller PowerFlex 523 and PowerFlex 525 are more appropriate for compact machinery.

The PowerFlex 755 configurations are much closer to the subject model in terms of industrial architecture and high-power applications.

---

53. Product Selection Guide

Requirement	Recommended Direction
690 VAC, approximately 200 kW Heavy Duty	20G1ABF265AN0NNNNN
690 VAC, approximately 250 kW Normal Duty	20G1ABF265JN0NNNNN
690 VAC, approximately 315 kW Low Duty	20G1ABF265JN2NNNNN
690 VAC, 330 A required	20G1ABF330JN0NNNNN
690 VAC, 370 A required	20G1ABF370JN0NNNNN
480 VAC compact motor	25B-D030N114
480 VAC compact machine	25C-D030N114
480 VAC large industrial motor	20G1ABC302JN4NNNNN
480 VAC larger process motor	20G1ABC460JN4NNNNN
480 VAC very large motor	20G1ABC650JN4NNNNN

---

54. Overall Evaluation

The Allen-Bradley 20G1ABF265AN0NNNNN is a high-power industrial AC drive intended for large motor applications requiring 690 VAC three-phase operation and 265 A output capacity.

Its principal power ratings are 315 kW Low Duty, 250 kW Normal Duty, and 200 kW Heavy Duty.

The Frame 8, 600 mm deep MCC-style construction gives the drive the physical scale required for large industrial power equipment.

The air-cooled architecture provides a practical thermal-management solution without requiring an external liquid-cooling system.

The AC input with precharge provides controlled charging of the internal DC bus.

The filtered configuration supports electromagnetic compatibility when the complete installation is correctly engineered.

The CM jumper removed configuration is a defining characteristic of the AN0 version.

The No HIM configuration is particularly suitable for centralized automation systems where the drive is controlled from an HMI, PLC, SCADA system, or plant network rather than from a local keypad.

The embedded EtherNet/IP capability makes the drive well suited to modern industrial automation architectures.

---

55. Final Detailed Parameter Table

Parameter	Detailed Specification
Model	20G1ABF265AN0NNNNN
Brand	Allen-Bradley
Product Family	PowerFlex 750-Series
Product Series	PowerFlex 755
Product Type	Air-Cooled AC Variable Frequency Drive
Voltage Class	690 VAC
Phase	3 Phase
Output Current	265 A
Low Duty Rating	315 kW
Normal Duty Rating	250 kW
Heavy Duty Rating	200 kW
Low Duty HP Equivalent	~422 HP
Normal Duty HP Equivalent	~335 HP
Heavy Duty HP Equivalent	~268 HP
Frame	Frame 8
Cooling	Forced Air
Input	AC Input with Precharge
DC Terminals	None
Filtering	Filtered
CM Jumper	Removed
Dynamic Braking	None
Communication	Embedded EtherNet/IP
HIM	Blank / No HIM
Enclosure	Type 1
Protection	IP20
Cabinet Style	600 mm Deep MCC Style
Approx. Height	~2100 mm
Approx. Width	~610 mm
Approx. Depth	~600 mm
Approx. Dimensions	~2100 × 610 × 600 mm
Approx. Weight	~634 kg
Primary Application	Large Industrial Motor Control
Typical Industries	Mining, Cement, Water, Process, Material Handling, Manufacturing
Control Architecture	Centralized / Networked
Recommended Communication	EtherNet/IP
Braking Configuration	No Dynamic Braking
Local Operator Interface	None Included

---

56. Final Summary

The Allen-Bradley 20G1ABF265AN0NNNNN is a substantial PowerFlex 755 Frame 8 AC drive designed for large industrial motors.

Its 690 VAC, 265 A electrical rating and 315/250/200 kW LD/ND/HD capability make it suitable for large pumps, fans, blowers, conveyors, crushers, mining equipment, cement machinery, material-handling systems, and other large process machines.

Its embedded EtherNet/IP capability makes it particularly suitable for centralized automation.

The Blank / No HIM configuration is advantageous when the drive is controlled from a central PLC or HMI rather than from a local operator keypad.

The air-cooled design, AC precharge, filtered configuration, and Frame 8 mechanical architecture provide a practical platform for high-power industrial installations.

The most closely related current configurations are 20G1ABF265JN0NNNNN, 20G1ABF265JN2NNNNN, and 20G1ABF265JN4NNNNN, while 20G1ABF330JN0NNNNN and 20G1ABF370JN0NNNNN provide higher current capacity within the same 690 VAC PowerFlex 755 family.

For applications requiring a different voltage class or substantially different motor size, the broader PowerFlex range provides smaller compact drives as well as larger PowerFlex 755 configurations.

From an engineering perspective, the main strengths of the 20G1ABF265AN0NNNNN are its high-voltage 690 VAC architecture, 265 A output capability, large 315 kW Low Duty rating, Frame 8 construction, EtherNet/IP integration, centralized-control capability, and suitability for large industrial process equipment.

For final drive selection, the motor nameplate current, motor voltage, duty classification, overload requirements, acceleration and deceleration profile, load inertia, braking requirements, cable arrangement, ambient conditions, and grounding system should all be checked against the actual application.